4949956489 has 2 divisors, whose sum is σ = 4949956490. Its totient is φ = 4949956488.

The previous prime is 4949956471. The next prime is 4949956493. The reversal of 4949956489 is 9846599494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4633116489 + 316840000 = 68067^2 + 17800^2 .

It is a cyclic number.

It is not a de Polignac number, because 4949956489 - 2⁵ = 4949956457 is a prime.

It is not a weakly prime, because it can be changed into another prime (4949956439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2474978244 + 2474978245.

It is an arithmetic number, because the mean of its divisors is an integer number (2474978245).

Almost surely, 2^4949956489 is an apocalyptic number.

It is an amenable number.

4949956489 is a deficient number, since it is larger than the sum of its proper divisors (1).

4949956489 is an equidigital number, since it uses as much as digits as its factorization.

4949956489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 100776960, while the sum is 67.

The square root of 4949956489 is about 70355.9271774596. The cubic root of 4949956489 is about 1704.2519273139.

The spelling of 4949956489 in words is "four billion, nine hundred forty-nine million, nine hundred fifty-six thousand, four hundred eighty-nine".